Home / 13,321,640.17-18,384,309.21-8,164,005.67

Finding the Fourth Proportional to 13,321,640.17, 18,384,309.21 and 8,164,005.67

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Solution

The fourth proportional to 13,321,640.17, 18,384,309.21 and 8,164,005.67 is: 11,266,601.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,640.17 : 18,384,309.21 = 8,164,005.67 : x
  2. Step 2: Convert to fraction form
    13,321,640.17/18,384,309.21 = 8,164,005.67/x
  3. Step 3: Cross multiply
    13,321,640.17x = 18,384,309.21 × 8,164,005.67
  4. Step 4: Simplify right side
    13,321,640.17x = 150,089,604,629,473.22
  5. Step 5: Solve for x
    x = 150,089,604,629,473.22/13,321,640.17
  6. Step 6: Final answer
    x = 11,266,601.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.